feat: refactor AlphaBetaSearch and ClassicalBot for improved evaluation and organization

modules/bot/python/run_pipeline.sh

@@ -0,0 +1,78 @@
+#!/bin/bash
+
+# NNUE Training Pipeline (bash version)
+# Works on Linux, macOS, and Windows (with Git Bash or WSL)
+
+set -e  # Exit on error
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+cd "$SCRIPT_DIR"
+
+# Use python or python3 (check which is available)
+PYTHON_CMD="python3"
+if ! command -v python3 &> /dev/null; then
+    PYTHON_CMD="python"
+fi
+
+echo "=== NNUE Training Pipeline ==="
+echo ""
+echo "Python command: $PYTHON_CMD"
+echo "Working directory: $SCRIPT_DIR"
+echo ""
+
+# Step 1: Generate positions
+echo "Step 1: Generating 500,000 random positions..."
+$PYTHON_CMD generate_positions.py positions.txt
+if [ ! -f positions.txt ]; then
+    echo "ERROR: positions.txt not created"
+    exit 1
+fi
+echo "✓ Positions generated"
+echo ""
+
+# Step 2: Label positions with Stockfish
+echo "Step 2: Labeling positions with Stockfish (depth 12)..."
+STOCKFISH_PATH="${STOCKFISH_PATH:-/usr/games/stockfish}"
+echo "Using Stockfish: $STOCKFISH_PATH"
+$PYTHON_CMD label_positions.py positions.txt training_data.jsonl "$STOCKFISH_PATH"
+if [ ! -f training_data.jsonl ]; then
+    echo "ERROR: training_data.jsonl not created"
+    exit 1
+fi
+echo "✓ Positions labeled"
+echo ""
+
+# Step 3: Train NNUE model with versioning
+echo "Step 3: Training NNUE model (20 epochs)..."
+
+# Auto-detect latest version and increment
+LATEST_VERSION=$(ls -1 nnue_weights_v*.pt 2>/dev/null | sed 's/nnue_weights_v//;s/.pt$//' | sort -n | tail -1)
+NEW_VERSION=$((${LATEST_VERSION:-0} + 1))
+WEIGHTS_FILE="nnue_weights_v${NEW_VERSION}.pt"
+
+echo "Creating version v${NEW_VERSION}..."
+$PYTHON_CMD train_nnue.py training_data.jsonl "$WEIGHTS_FILE"
+if [ ! -f "$WEIGHTS_FILE" ]; then
+    echo "ERROR: $WEIGHTS_FILE not created"
+    exit 1
+fi
+echo "✓ Model trained: $WEIGHTS_FILE"
+echo ""
+
+# Step 4: Export weights to Scala
+echo "Step 4: Exporting weights to Scala..."
+SCALA_FILE="../src/main/scala/de/nowchess/bot/bots/nnue/NNUEWeights_v${NEW_VERSION}.scala"
+$PYTHON_CMD export_weights.py "$WEIGHTS_FILE" "$SCALA_FILE"
+if [ ! -f "$SCALA_FILE" ]; then
+    echo "ERROR: $SCALA_FILE not created"
+    exit 1
+fi
+echo "✓ Weights exported: $SCALA_FILE"
+echo ""
+
+echo "=== Pipeline Complete ==="
+echo ""
+echo "Next steps:"
+echo "1. Navigate to project root: cd ../.."
+echo "2. Compile: ./compile"
+echo "3. Test: ./test"